The Ajax Scientific ME210-0000 plastic gear and bushing seven-piece set includes one each of 10-, 20-, 30-, 40-, and 50-tooth gears and two bushings for use in science experiments and equipment. The two bushings have a 2mm inside diameter (ID) for a friction fit over a miniature motor shaft (sold separately) and a 4mm outside diameter (OD) for a friction fit into the center hole of each gear in the set. The set is made of plastic for light weight.

Ajax Scientific distributes scientific equipment, supplies, and instruments for industrial, research, and educational applications. The company, founded in 1984, is headquartered in Toronto, ON, Canada.

What's in the Box?

• 10-tooth gear
• 20-tooth gear
• 30-tooth gear
• 40-tooth gear
• 50-tooth gear
• (2) bushings, 2mm ID, 4mm OD